import java.util.Scanner;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: 苏李涛
 * Date: 2024-04-27
 * Time: 16:48
 */
public class Main {
    public static void main(String[] args) {
//        Scanner sc = new Scanner(System.in);
//        System.out.println("读入小数");
//       double a = sc.nextFloat();
//        System.out.println(a);
//
//        System.out.println("读入整数");
//       int b = sc.nextInt();
//        System.out.println(b);
//
//        System.out.println("读入字符串");
//       String c = sc.nextLine();
//        System.out.println(c);

       Scanner sc = new Scanner(System.in);
       while (sc.hasNext()) {
           int a = sc.nextInt();
           System.out.println(a);
       }



    }
}
